package de.cz3rwinski.haushaltsbuch;

import java.util.ArrayList;
import java.util.List;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;

public class DatabaseHandler extends SQLiteOpenHelper {
	 
    // All Static variables
    // Database Version
    private static final int DATABASE_VERSION = 1;
 
    // Database Name
    private static final String DATABASE_NAME = "contactsManager";
 
    // Contacts table name
    private static final String TABLE_CONTACTS = "contacts";
 
    // Contacts Table Columns names
    private static final String KEY_ID = "id";
    //private static final String KEY_DATUM = "datum";
    private static final String KEY_TAG ="tag";
    private static final String KEY_MONAT ="monat";
    private static final String KEY_JAHR ="jahr";
    private static final String KEY_ART = "art";
    private static final String KEY_KONTO = "konto";
    private static final String KEY_KAT = "kategorie";
    private static final String KEY_STICHW = "stichwort";
    private static final String KEY_PERSON = "person";
    private static final String KEY_KLASSE = "luxusklasse";
    private static final String KEY_BETRAG = "betrag";
    
    
 
    public DatabaseHandler(Context context) {
        super(context, DATABASE_NAME, null, DATABASE_VERSION);
    }
 
    // Creating Tables
    @Override
    public void onCreate(SQLiteDatabase db) {
        String CREATE_CONTACTS_TABLE = "CREATE TABLE " + TABLE_CONTACTS + "("
                + KEY_ID + " INTEGER PRIMARY KEY," +
        		KEY_TAG+ " TEXT,"+
        		KEY_MONAT+ " TEXT,"+
        		KEY_JAHR+ " TEXT,"+
                KEY_ART + " TEXT," + 
                KEY_KONTO + " TEXT," +
                KEY_KAT + " TEXT," +
                KEY_STICHW + " TEXT," +
                KEY_PERSON + " TEXT," +
                KEY_KLASSE + " TEXT," +
                KEY_BETRAG + " TEXT" +")";
        db.execSQL(CREATE_CONTACTS_TABLE);
    }
 
    // Upgrading database
    @Override
    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
        // Drop older table if existed
        db.execSQL("DROP TABLE IF EXISTS " + TABLE_CONTACTS);
 
        // Create tables again
        onCreate(db);
    }
 
    
    /**
     * All CRUD(Create, Read, Update, Delete) Operations
     */
 
    // Adding new contact
    void addContact(Contact contact) {
        SQLiteDatabase db = this.getWritableDatabase();
 
        ContentValues values = new ContentValues();
        values.put(KEY_TAG, contact.getTag());
        values.put(KEY_MONAT, contact.getMonat());
        values.put(KEY_JAHR, contact.getJahr());
        values.put(KEY_ART, contact.getArt());
        values.put(KEY_KONTO, contact.getKonto());
        values.put(KEY_KAT, contact.getKategorie());
        values.put(KEY_STICHW, contact.getStichwort());
        values.put(KEY_PERSON, contact.getPerson());
        values.put(KEY_KLASSE, contact.getLklasse());
        values.put(KEY_BETRAG, contact.getBetrag());
 
        // Inserting Row
        db.insert(TABLE_CONTACTS, null, values);
        db.close(); // Closing database connection
    }
 
    // Getting single contact
    Contact getContact(int id) {
        SQLiteDatabase db = this.getReadableDatabase();
 
        Cursor cursor = db.query(TABLE_CONTACTS, new String[] { KEY_ID,KEY_TAG,KEY_MONAT,KEY_JAHR
        		, KEY_ART, KEY_KONTO, KEY_KAT, KEY_STICHW, KEY_PERSON, KEY_KLASSE, KEY_BETRAG }, KEY_ID + "=?",
                new String[] { String.valueOf(id) }, null, null, null, null);

        if (cursor != null)
            cursor.moveToFirst();
 
        Contact contact = new Contact(Integer.parseInt(cursor.getString(0)), cursor.getString(1), cursor.getString(2), cursor.getString(3), cursor.getString(4), cursor.getString(5), cursor.getString(6), cursor.getString(7), cursor.getString(8), cursor.getString(9), cursor.getString(10));
        // return contact
        return contact;
    }
 
    // Getting All Contacts
    public List<Contact> getAllContacts() {
        List<Contact> contactList = new ArrayList<Contact>();
        // Select All Query
        //String selectQuery = "SELECT  * FROM " + TABLE_CONTACTS;
 
        SQLiteDatabase db = this.getWritableDatabase();
        Cursor cursor = db.query(false, "contacts", null, null, null, null, null, "CAST(" + KEY_JAHR
				+ " AS INTEGER) ASC, CAST(" + KEY_MONAT + " AS INTEGER) ASC, CAST(" + KEY_TAG + " AS INTEGER) ASC", null);
 
        // looping through all rows and adding to list
        if (cursor.moveToFirst()) {
            do {
                Contact contact = new Contact();
                contact.setID(Integer.parseInt(cursor.getString(0)));
                contact.setTag(cursor.getString(1));
                contact.setMonat(cursor.getString(2));
                contact.setJahr(cursor.getString(3));
                contact.setArt(cursor.getString(4));
                contact.setKonto(cursor.getString(5));
                contact.setKategorie(cursor.getString(6));
                contact.setStichwort(cursor.getString(7));
                contact.setPerson(cursor.getString(8));
                contact.setLklasse(cursor.getString(9));
                contact.setBetrag(cursor.getString(10));

                // Adding contact to list
                contactList.add(contact);
            } while (cursor.moveToNext());
        }
 
        // return contact list
        return contactList;
    }

    public List<Contact> getAllContacts(int jahr) {
        List<Contact> contactList = new ArrayList<Contact>();
  
        SQLiteDatabase db = this.getWritableDatabase();
		Cursor cursor = db.query(false, "contacts", null, KEY_MONAT + " like "
				+ jahr, null, null, null, "CAST(" + KEY_TAG
				+ " AS INTEGER) , CAST(" + KEY_ART + " AS INTEGER)", null);
        
         // looping through all rows and adding to list
        if (cursor.moveToFirst()) {
            do {
                Contact contact = new Contact();
                contact.setID(Integer.parseInt(cursor.getString(0)));
                contact.setTag(cursor.getString(1));
                contact.setMonat(cursor.getString(2));
                contact.setJahr(cursor.getString(3));
                contact.setArt(cursor.getString(4));
                contact.setKonto(cursor.getString(5));
                contact.setKategorie(cursor.getString(6));
                contact.setStichwort(cursor.getString(7));
                contact.setPerson(cursor.getString(8));
                contact.setLklasse(cursor.getString(9));
                contact.setBetrag(cursor.getString(10));

                // Adding contact to list
                contactList.add(contact);
            } while (cursor.moveToNext());
        }
 
        // return contact list
        return contactList;
    }

    public List<Contact> getAllContacts(int jahr, int monat) {
        List<Contact> contactList = new ArrayList<Contact>();
        // Select All Query
        //String selectQuery = "SELECT  * FROM contacts WHERE jahr like \'2013\'";
 
        SQLiteDatabase db = this.getWritableDatabase();
        Cursor cursor = db.query (false, "contacts", null, KEY_MONAT+" like "+jahr+" AND "+KEY_TAG+" like "+monat, null, null, null, "CAST(" + KEY_TAG
				+ " AS INTEGER) , CAST(" + KEY_ART + " AS INTEGER)", null);
        
       /* Cursor cursor = db.query(TABLE_NAME, new String[] {"_id", "title", "title_raw"}, 
                "title_raw like " + "'%Smith%'", null, null, null, null);*/
 
        // looping through all rows and adding to list
        if (cursor.moveToFirst()) {
            do {
                Contact contact = new Contact();
                contact.setID(Integer.parseInt(cursor.getString(0)));
                contact.setTag(cursor.getString(1));
                contact.setMonat(cursor.getString(2));
                contact.setJahr(cursor.getString(3));
                contact.setArt(cursor.getString(4));
                contact.setKonto(cursor.getString(5));
                contact.setKategorie(cursor.getString(6));
                contact.setStichwort(cursor.getString(7));
                contact.setPerson(cursor.getString(8));
                contact.setLklasse(cursor.getString(9));
                contact.setBetrag(cursor.getString(10));

                // Adding contact to list
                contactList.add(contact);
            } while (cursor.moveToNext());
        }
 
        // return contact list
        return contactList;
    }

    public List<Contact> getAllContacts(int jahr, int monat, int tag) {
        List<Contact> contactList = new ArrayList<Contact>();
  
        SQLiteDatabase db = this.getWritableDatabase();
		Cursor cursor = db.query(false, "contacts", null, KEY_MONAT + " like "
				+ jahr + " AND " + KEY_TAG + " like " + monat + " AND "
				+ KEY_ART + " like " + tag, null, null, null, "CAST(" + KEY_TAG
				+ " AS INTEGER) , CAST(" + KEY_ART + " AS INTEGER)", null);
        
 
        if (cursor.moveToFirst()) {
            do {
                Contact contact = new Contact();
                contact.setID(Integer.parseInt(cursor.getString(0)));
                contact.setTag(cursor.getString(1));
                contact.setMonat(cursor.getString(2));
                contact.setJahr(cursor.getString(3));
                contact.setArt(cursor.getString(4));
                contact.setKonto(cursor.getString(5));
                contact.setKategorie(cursor.getString(6));
                contact.setStichwort(cursor.getString(7));
                contact.setPerson(cursor.getString(8));
                contact.setLklasse(cursor.getString(9));
                contact.setBetrag(cursor.getString(10));

                // Adding contact to list
                contactList.add(contact);
            } while (cursor.moveToNext());
        }
 
        // return contact list
        return contactList;
    }
 
    
    // Updating single contact
    public int updateContact(Contact contact) {
        SQLiteDatabase db = this.getWritableDatabase();
 
        ContentValues values = new ContentValues();
        values.put(KEY_TAG, contact.getTag());
        values.put(KEY_MONAT, contact.getMonat());
        values.put(KEY_JAHR, contact.getJahr());
        values.put(KEY_ART, contact.getArt());
        values.put(KEY_KONTO, contact.getKonto());
        values.put(KEY_KAT, contact.getKategorie());
        values.put(KEY_STICHW, contact.getStichwort());
        values.put(KEY_PERSON, contact.getPerson());
        values.put(KEY_KLASSE, contact.getLklasse());
        values.put(KEY_BETRAG, contact.getBetrag());

        // updating row
        return db.update(TABLE_CONTACTS, values, KEY_ID + " = ?",new String[] { String.valueOf(contact.getID()) });
    }
 
    // Deleting single contact
    public void deleteContact(int a) {
        SQLiteDatabase db = this.getWritableDatabase();
        db.delete(TABLE_CONTACTS, KEY_ID + " = "+a,
                null);
        db.close();
    }

    
    // Getting contacts Count
    public int getContactsCount() {
        String countQuery = "SELECT  * FROM " + TABLE_CONTACTS;
        SQLiteDatabase db = this.getReadableDatabase();
        Cursor cursor = db.rawQuery(countQuery, null);
        cursor.close();
 
        // return count
        return cursor.getCount();
    }
 
}